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JPS61223570A - Parallel breaking test circuit for breaker - Google Patents

Parallel breaking test circuit for breaker

Info

Publication number
JPS61223570A
JPS61223570A JP60067529A JP6752985A JPS61223570A JP S61223570 A JPS61223570 A JP S61223570A JP 60067529 A JP60067529 A JP 60067529A JP 6752985 A JP6752985 A JP 6752985A JP S61223570 A JPS61223570 A JP S61223570A
Authority
JP
Japan
Prior art keywords
circuit
parallel
breaker
test
circuit breaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP60067529A
Other languages
Japanese (ja)
Inventor
Hitoshi Nakamura
等 中村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP60067529A priority Critical patent/JPS61223570A/en
Publication of JPS61223570A publication Critical patent/JPS61223570A/en
Pending legal-status Critical Current

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  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)

Abstract

PURPOSE:To obtain a parallel breaking test circuit for a breaker with a simulated parallel breaking of the breaker, by connecting shunt auxiliary inductances each having a surge impedance matched with a specified value in series to sample breakers, which are connected in parallel. CONSTITUTION:A capacitor A14a for adjusting surge impedance is connected in parallel to a shunt auxiliary inductance A13a while a capacitor B14b for adjusting surge impedance is connected in parallel to a shunt auxiliary inductance B13b. A sample breaker A7a and a shunt auxiliary inductance A13a connected in series are connected in parallel to a sample breaker B7b and a shunt auxiliary inductance B13b likewise connected in series and then, connected in parallel to a voltage source circuit 16. Thus, various characteristics during parallel breaking of breakers are determined with an equivalence circuit having a specified surge impedance made up of the sample breaker s 7a and 7b, the shunt auxiliary inductance 13a and 13b and the capacitors 14a and 14b for adjusting surge impedance.

Description

【発明の詳細な説明】 〔離業上の利用分野] この発明は、遮断器の並列遮断能力を検証するために行
われる遮断器の並列遮断試験回路に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Area of Application] The present invention relates to a circuit breaker parallel breaking test circuit that is used to verify the parallel breaking ability of a circuit breaker.

〔従来の技術〕[Conventional technology]

第2図は例えば、TEc−181−1975に示された
ワイルードグケ法による遮断器の合成短絡遮断試験回路
である。
FIG. 2 shows, for example, a synthetic short-circuit interrupting test circuit for a circuit breaker based on the Weirud-Gueke method shown in TEc-181-1975.

図において、(1)は電流源用電源、(2〕は保表遮断
泰、(3)は投入スイッチ、(4)は電流源電流調整用
インダクタンス、(5)I/i電流源回路コンデンサで
あり、各要素はそれぞれ直列に接続されている。(6)
は補助遮断器で供試遮断器(7)に直列に接続されてい
る。直列に接続された補助遮#FT器(6)と供試遮断
器(7) Fi電流源コンデンサ(5)に並列に接続さ
れている。
In the figure, (1) is the power supply for the current source, (2) is the power source, (3) is the on/off switch, (4) is the inductance for adjusting the current source current, and (5) is the I/I current source circuit capacitor. There is, and each element is connected in series.(6)
is an auxiliary circuit breaker connected in series to the test circuit breaker (7). The auxiliary circuit breaker (6) and the circuit breaker under test (7) are connected in parallel to the Fi current source capacitor (5).

(8)は電圧源コンデンサ、(9)は始動ギャップ、(
lo)は電圧源電流調整用インダクタンス、  (11
)ri再再起正圧振幅率調整用抵抗(12)は再起電圧
−波数調整用コンデンサであり、各要素はそれぞれ直列
に接続されて−る0直列に接続された再起電圧振幅率調
整用抵抗(11)七再起嘔圧同波&調整用コンデンサ(
12)が供試遮断器(ηに並列に接続されており、上記
(υ〜(5)で形成される回路を電流源回路(15)と
称し、(8)〜(12)で形成される回路を電圧源回路
(16)と称する。
(8) is the voltage source capacitor, (9) is the starting gap, (
lo) is the voltage source current adjustment inductance, (11
) ri The recurrent positive pressure amplitude rate adjustment resistor (12) is a recurrent voltage-wavenumber adjustment capacitor, and each element is connected in series. 11) Seven-recurrence vomiting pressure equal wave & adjustment capacitor (
12) is connected in parallel to the test circuit breaker (η), and the circuit formed by (υ~(5) above) is called the current source circuit (15), and the circuit formed by (8)~(12) The circuit is called a voltage source circuit (16).

次に試験方法について説明する。第2図において、短絡
電流を電流源回路(15)より供給し、遮断試験を行う
電流零点の直前で電圧源回路(16)を重畳し、電流源
回路(15)を補助遮断器(6)により、電流源電流の
零点で切り離し、電圧源回路(16)の電流零点におh
て、供試遮断器(7)の短絡遮断能力を検証する。この
ような試験方法は遮断器の合成短絡遮断試験と言われて
いる。
Next, the test method will be explained. In Fig. 2, a short circuit current is supplied from a current source circuit (15), a voltage source circuit (16) is superimposed just before the current zero point where the breaking test is performed, and the current source circuit (15) is connected to an auxiliary circuit breaker (6). , the current source is disconnected at the zero point of the current, and connected to the current zero point of the voltage source circuit (16).
Verify the short circuit breaking ability of the test circuit breaker (7). Such a test method is called a synthetic short-circuit interruption test for circuit breakers.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

従来の合成遮断試験回路は以上のように構成されている
ので、並列遮断能力を検証するためKは、並列遮断回路
を模擬した等何回路を接続しなければならないという問
題点があった。
Since the conventional composite breaking test circuit is configured as described above, there is a problem in that in order to verify the parallel breaking capability, K must connect several circuits simulating the parallel breaking circuit.

この発明は上記のような問題点を解消するためになされ
たもので、遮断器の並列遮断能力を検証することができ
る遮断器の並列遮断試験回路を得ることを目的とする。
This invention was made to solve the above-mentioned problems, and an object of the present invention is to obtain a circuit breaker parallel breaking test circuit that can verify the parallel breaking ability of the circuit breaker.

〔問題点を解決するための手段1 この発明における遮断器の並列遮断試験回路は、遮断器
を2台以上用いて並列遮断試験を行う場合に、各供試遮
断器と各分流補助インダクタンスを直列に接続し、それ
らを並列に接続して構成したものである。
[Means for Solving Problems 1] The circuit breaker parallel breaking test circuit of the present invention, when performing a parallel breaking test using two or more circuit breakers, connects each test circuit breaker and each shunt auxiliary inductance in series. It is configured by connecting them in parallel.

〔作用〕[Effect]

この発明における遮断器の並列遮断試験回路は、サージ
インピーダンスを所定の値に合わせた並列遮断の等何回
路を接続することKより、遮断器の並列遮断能力の検証
試験を行うことができる。
The circuit breaker parallel breaking test circuit of the present invention can perform a verification test of the parallel breaking ability of the circuit breaker by connecting several parallel breaking circuits whose surge impedance is adjusted to a predetermined value.

〔発明の実施例〕[Embodiments of the invention]

以下この発明の一実施例を図について説明する。 An embodiment of the present invention will be described below with reference to the drawings.

第1図において、(1)〜(6L (8)〜(12)は
従来の試験回路と同様のものである。(7a)は供試遮
断器Aで分流補助インダクタンスA (13a)と直列
に接続されている。(7b)は供試遮断器Bで分流補助
インダクタンスB (13b)と直列に接続されている
。(14a)はサージインピーダンス調整用コンデンサ
Aで分流補助インダクタンスa (13a)と並列に接
続されている。(14b) #:tサージインピーダン
ス調整調整用コンテンササ流補助インダクタンスB (
13b) ト並列に接続されている。直列に接続された
供試遮断器A (7a)と分流補助インダクタンスA(
13aJは、同様に直列に接続され念供試遮断器B (
7b)と分流補助インダクタンスB Q3b)に並列に
接続され、電圧源回路(16)に並列に接続されている
In Figure 1, (1) to (6L (8) to (12)) are similar to the conventional test circuit. (7b) is the test circuit breaker B, which is connected in series with the shunt auxiliary inductance B (13b). (14a) is the surge impedance adjustment capacitor A, which is connected in parallel with the shunt auxiliary inductance A (13a). (14b) #: t Surge impedance adjustment condenser flow auxiliary inductance B (
13b) are connected in parallel. Test circuit breaker A (7a) and shunt auxiliary inductance A (7a) connected in series
13aJ is similarly connected in series and test circuit breaker B (
7b) and the shunt auxiliary inductance BQ3b), and is connected in parallel to the voltage source circuit (16).

上記のように構成された遮断器の並列遮断試験回路にお
いても、試験方法は従来の試験方法と同様であるが、遮
断器の並列遮断能力を検証するため、並列遮断を模擬し
た等何回路が接続さ九ている。各供試遮断器(7a) 
(7b)と各分流補助インダクタンス(13a) (1
3b)および各サージインピーダンス調整用コンデンサ
(14a) (14b)で形成した、所定のサージイン
ピーダンスを有する等何回路により、遮断器の並列遮断
時の諸特性が決定される。上記並列遮断を模擬した等何
回路を接続して試験することにより、遮断器の並列遮断
能力を検証することができる。
In the parallel breaking test circuit for the circuit breaker configured as above, the test method is the same as the conventional test method, but in order to verify the parallel breaking ability of the circuit breaker, several circuits such as simulating parallel breaking are used. There are nine connected. Each test circuit breaker (7a)
(7b) and each shunt auxiliary inductance (13a) (1
3b) and the respective surge impedance adjusting capacitors (14a) (14b), which have a predetermined surge impedance, determine various characteristics of the circuit breaker during parallel breaking. The parallel breaking ability of the circuit breaker can be verified by connecting and testing several circuits that simulate the parallel breaking described above.

なお、上記実施例ではワイルードプク法による合成短絡
遮断試験について説明したが、他の合成試験でも、直接
試験でも同様に試練できることは言うまでもない。
In the above embodiments, a synthetic short-circuit breaking test using the Wild-Puk method was explained, but it goes without saying that other synthetic tests or direct tests can be performed in the same manner.

また、上記実施例では分流補助インダクタンスにサージ
インピーダンス調整用コンデンサを接続したものについ
て説明したが、分流補助インダクタンスが所定のサージ
インピーダンスであれば、サージインピーダンス調整用
コンデンサは必要ないO また、上記実施例では供試遮断器が2台の場合について
説明したが、供試遮断器が3台以上であっても同様試験
できる。
Furthermore, in the above embodiment, a surge impedance adjustment capacitor is connected to the shunt auxiliary inductance, but if the shunt auxiliary inductance has a predetermined surge impedance, the surge impedance adjustment capacitor is not necessary. Although the case where there are two test circuit breakers has been described above, the same test can be performed even if there are three or more test circuit breakers.

[発明の効果] 以上のように、この発明によればサージインピ−ダンス
ヲ所定値に合わせた分流補助インダクタンスを供試遮断
器に直列に接続して、それらを並列に接続することによ
り、遮断器の並列遮断を模擬した、a!fr器の並列遮
断試験回路を得ることができる。
[Effects of the Invention] As described above, according to the present invention, the shunt auxiliary inductance whose surge impedance is adjusted to a predetermined value is connected in series to the circuit breaker under test, and these are connected in parallel to improve the circuit breaker performance. Simulating parallel interruption, a! A parallel breaking test circuit for the fr device can be obtained.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの発明の一実施例忙よる遮断器の並列遮断試
験回路、第2図は従来の遮断器の合成遮wfr試験回路
である。 図において、(7)* (7a)t (7b) ri供
試遮#’r器、(13a)、 (13b)は分流補助イ
ンダクタンス、(14a) t (14b)はサージイ
ンビ〜ダンス#4!1用コンデンサである。 なお各図中同一符号は同−又は相当部分を示す。
FIG. 1 shows a parallel breaking test circuit for a busy circuit breaker according to an embodiment of the present invention, and FIG. 2 shows a composite breaking WFR test circuit for a conventional circuit breaker. In the figure, (7) * (7a) t (7b) ri test interrupter #'r, (13a), (13b) are shunt auxiliary inductance, (14a) t (14b) are surge impedance #4!1 It is a capacitor for Note that the same reference numerals in each figure indicate the same or equivalent parts.

Claims (4)

【特許請求の範囲】[Claims] (1)補助遮断器と供試遮断器とを直列に接続して電流
源回路から上記両遮断器へ短絡電流を供給し、上記供試
遮断器の遮断試験を行う電流零点の直前に電圧源回路を
重畳して電流源回路を上記補助遮断器で上記電流源電流
の零点で切離し、上記電圧源回路の電流零点における上
記供試遮断器の短絡遮断能力を検証する回路において、
供試遮断器は複数個が並列に接続されそれぞれ分流補助
インダクタンスが直列に接続されていることを特徴とす
る遮断器の並列遮断試験回路。
(1) Connect the auxiliary circuit breaker and the test circuit breaker in series, supply a short circuit current from the current source circuit to both circuit breakers, and connect the voltage source immediately before the current zero point at which the circuit breaker under test is tested. In a circuit for superimposing circuits and disconnecting the current source circuit with the auxiliary breaker at the zero point of the current source current, and verifying the short circuit breaking ability of the test breaker at the current zero point of the voltage source circuit,
A parallel breaking test circuit for a circuit breaker, characterized in that a plurality of test circuit breakers are connected in parallel, each having a shunt auxiliary inductance connected in series.
(2)分流補助インダクタンスを供試遮断器よりアース
側に接続したことを特徴とする特許請求の範囲第1項記
載の遮断器の並列遮断試験回路。
(2) The circuit breaker parallel breaking test circuit according to claim 1, wherein the shunt auxiliary inductance is connected to the ground side of the circuit breaker under test.
(3)分流補助インダクタンスを供試遮断器より電源側
に接続したことを特徴とする特許請求の範囲第1項記載
の遮断器の並列遮断試験回路。
(3) A parallel breaking test circuit for a circuit breaker according to claim 1, wherein the shunt auxiliary inductance is connected to the power source side of the circuit breaker under test.
(4)分流補助インダクタンスと並列にコンデンサを接
続したことを特徴とする特許請求の範囲第2項および第
3項記載の遮断器の並列遮断試験回路。
(4) A parallel breaking test circuit for a circuit breaker according to claims 2 and 3, characterized in that a capacitor is connected in parallel with the shunt auxiliary inductance.
JP60067529A 1985-03-28 1985-03-28 Parallel breaking test circuit for breaker Pending JPS61223570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60067529A JPS61223570A (en) 1985-03-28 1985-03-28 Parallel breaking test circuit for breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60067529A JPS61223570A (en) 1985-03-28 1985-03-28 Parallel breaking test circuit for breaker

Publications (1)

Publication Number Publication Date
JPS61223570A true JPS61223570A (en) 1986-10-04

Family

ID=13347594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60067529A Pending JPS61223570A (en) 1985-03-28 1985-03-28 Parallel breaking test circuit for breaker

Country Status (1)

Country Link
JP (1) JPS61223570A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107271897A (en) * 2017-08-02 2017-10-20 苏州上电科电气设备有限公司 A kind of miniature circuit breaker failtests equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107271897A (en) * 2017-08-02 2017-10-20 苏州上电科电气设备有限公司 A kind of miniature circuit breaker failtests equipment

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